View the most religious surnames in Ireland

Where Does The Last Name Killigan Come From? ^{nationality or country of origin}

The last name Killigan occurs more in The United States more than any other country/territory. It may occur in the variant forms:. For other potential spellings of this surname click here.

How Common Is The Last Name Killigan? ^{popularity and diffusion}

The last name is the 5,057,639^th most commonly occurring surname worldwide, borne by around 1 in 485,836,394 people. The last name occurs predominantly in The Americas, where 100 percent of Killigan are found; 60 percent are found in North America and 60 percent are found in Anglo-North America.

The last name is most frequent in The United States, where it is held by 8 people, or 1 in 45,307,367. In The United States it is primarily found in: Florida, where 38 percent live, New Jersey, where 25 percent live and California, where 13 percent live. Excluding The United States this last name is found in 3 countries. It is also found in Argentina, where 33 percent live and Canada, where 7 percent live.

Killigan Family Population Trend ^{historical fluctuation}

The incidence of Killigan has changed over time. In The United States the number of people bearing the Killigan surname fell 87 percent between 1880 and 2014.

Killigan Last Name Statistics ^demography

The religious adherence of those bearing the surname is predominantly Catholic (100%) in Ireland.